74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
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/*
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* Bootstrap code for the INTEL
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*/
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#include <arch/io.h>
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#include <console/console.h>
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#include <string.h>
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#include <pc80/mc146818rtc.h>
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static int initialized;
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/* initialize the console */
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void console_init(void)
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{
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struct console_driver *driver;
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if(get_option(&console_loglevel, "debug_level"))
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console_loglevel=DEFAULT_CONSOLE_LOGLEVEL;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (!driver->init)
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continue;
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driver->init();
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}
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initialized = 1;
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}
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static void __console_tx_byte(unsigned char byte)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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driver->tx_byte(byte);
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}
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}
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void console_tx_flush(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (!driver->tx_flush)
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continue;
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driver->tx_flush();
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}
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}
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void console_tx_byte(unsigned char byte)
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{
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if (!initialized)
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return;
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if (byte == '\n')
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__console_tx_byte('\r');
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__console_tx_byte(byte);
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}
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/*
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* Write POST information
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*/
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void post_code(uint8_t value)
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{
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#ifdef CONFIG_SERIAL_POST
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printk_info("POST: 0x%02x\n", value);
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#elsif !define(NO_POST)
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outb(value, 0x80);
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#endif
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}
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/* Report a fatal error */
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void die(char *msg)
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{
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printk_emerg("%s", msg);
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post_code(0xff);
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while (1); /* Halt */
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}
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